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In a data warehouse, what is the difference between a Star and Snowflake schema?
In a Type II Slowly Changing Dimension, what is the surrogate key for?
What is the difference between clustered and a non-clustered index?
What is the difference between a HAVING CLAUSE and a WHERE CLAUSE?
What is collation?
What are the steps you will take to improve performance of a poor performing query?
Describe one architectural difference between an OLTP database and a data warehouse.
What is MDX used for?
List the different storage models of OLAP.
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